Gigabyte GV-R455HM-512I Manual - Page 4
Introduction - radeon hd 4550
UPC - 818313010933
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1. Introduction 1.1. Features • Powered by ATI RadeonTMHD 4550 Graphics Processing Unit (GPU) • Supports PCI Express 2.1 • GV-R455HM-512I supports ATI HyperMemoryTM technology which enables graphics card performance by allowing the graphics processing unit (GPU) to dynamically share the available system memory. The total effective VGA memory differs depending on system memory. (Note1) • Supports DirectX 11 • Supports CrossFireXTM • Supports 1 Dual-Link DVI-I connector • Supports 1 D-Sub connector • Supports 1 HDMI connector 1.2. Minimum System Requirements • Hardware - Intel® Pentium® 4/CoreTM 2 or AMD AthlonTM /PhenomTM - 1 GB or more of system memory for best performance - Optical drive for software installation (CD-ROM or DVD-ROM drive) - A power supply that provides at least 400-watt is required. The power supply should be with a known brand and certified to conform to safety regulations. (For the list of certified power supplies, go to http://ati.amd.com/certifiedpsu.) • Operating System - Windows® 7.0 - Windows® Vista - Windows® XP with Service Pack 2 (SP2) - Windows® XP Professional x64 Edition (Note 1) The amount of HyperMemoryTM will only be shown in the Information Tab found in the CatalystTM ControlCenter. Microsoft System Information program in Windows 7 and Windows Vista lists only amount of videomemory on Display Adapter under Adapter RAM item. The amount of HyperMemory available under Windows 7 and Windows Vista is calculated using the followingformula: Total HyperMemory = (System Memory- 512) / 2 + Discrete graphics amount. 1GB system memory 2GB system memory 3GB system memory 4GB* system memory 64MB graphics memory HyperMemory=320MB HyperMemory=832MB HyperMemory=1280MB HyperMemory=1792MB 128MB graphics memory HyperMemory=384MB HyperMemory=896MB HyperMemory=1344MB HyperMemory=1856MB 256MB graphics memory HyperMemory=512MB HyperMemory=1024MB HyperMemory=1536MB HyperMemory=2048MB 512MB graphics memory HyperMemory=768MB HyperMemory=1280MB HyperMemory=1792MB HyperMemory=2304MB 1024MB graphics memory HyperMemory=1280MB HyperMemory=1792MB HyperMemory=2304MB HyperMemory=2816MB 2048MB graphics memory HyperMemory=2304MB HyperMemory=2816MB HyperMemory=3328MB HyperMemory=3840MB GV-R455 Series Graphics Accelerator - 4 -